root@war1:~# uname -a
Linux war1 2.6.32-5-686 #1 SMP Mon Mar 26 05:20:33 UTC 2012 i686 GNU/Linux

root@war1:~# cat /proc/version 
Linux version 2.6.32-5-686 (Debian 2.6.32-41squeeze2) (dannf@debian.org) (gcc version 4.3.5 (Debian 4.3.5-4) ) #1 SMP Mon Mar 26 05:20:33 UTC 2012

root@war1:~# mkdir -p /usr/local/games/hlds

root@war1:~# cd /usr/local/games/hlds

root@war1:/usr/local/games/hlds# wget -q http://storefront.steampowered.com/download/hldsupdatetool.bin

root@war1:/usr/local/games/hlds# chmod +x hldsupdatetool.bin

root@war1:/usr/local/games/hlds# ./hldsupdatetool.bin

<snip>

Enter 'yes' to accept this agreement, 'no' to decline: yes
extracting steam.tar.Z...done

root@war1:/usr/local/games/hlds# ./steam -command update -game cstrike -dir .
Checking bootstrapper version ...
Getting version 46 of Steam HLDS Update Tool
Downloading. . . . . . . . . . . .
Steam Linux Client updated, please retry the command

root@war1:/usr/local/games/hlds# ./steam -command update -game cstrike -dir .
Checking bootstrapper version ...
Getting version 46 of Steam HLDS Update Tool
Bad uSizeOfSignature
CAsyncIOManager: 0 threads terminating.  0 reads, 0 writes, 0 deferrals.
CAsyncIOManager: 10 single object sleeps, 0 multi object sleeps
CAsyncIOManager: 0 single object alertable sleeps, 0 multi object alertable sleeps

root@war1:/usr/local/games/hlds# ./steam
Checking bootstrapper version ...
Getting version 46 of Steam HLDS Update Tool
Bad uSizeOfSignature
CAsyncIOManager: 0 threads terminating.  0 reads, 0 writes, 0 deferrals.
CAsyncIOManager: 10 single object sleeps, 0 multi object sleeps
CAsyncIOManager: 0 single object alertable sleeps, 0 multi object alertable sleeps